title: Treatment of endometriosis and chronic pelvic pain with letrozole and norethindrone acetate: a pilot study.
mesh_terms: D000328:Adult; D000704:Analysis of Variance; D047072:Aromatase Inhibitors; D015519:Bone Density; D003280:Contraceptives, Oral, Synthetic / Q000009:adverse effects / Q000627:therapeutic use*; D004715:Endometriosis / Q000188:drug therapy* / Q000503:physiopathology; D004791:Enzyme Inhibitors / Q000627:therapeutic use; D005260:Female; D006801:Humans; D000077289:Letrozole; D008875:Middle Aged; D009570:Nitriles / Q000009:adverse effects / Q000627:therapeutic use*; D009640:Norethindrone / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000627:therapeutic use*; D000077563:Norethindrone Acetate; D010147:Pain Measurement; D010298:Parity; D017699:Pelvic Pain / Q000188:drug therapy* / Q000209:etiology; D010865:Pilot Projects; D017697:Premenopause; D014230:Triazoles / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D047072:Aromatase Inhibitors; D003280:Contraceptives, Oral, Synthetic; D004791:Enzyme Inhibitors; D009570:Nitriles; D014230:Triazoles; D000077289:Letrozole; D000077563:Norethindrone Acetate; D009640:Norethindrone